Browse TRAIL Inventories

Progress reports :metallurgical division.

Manganese investigations :metallurgical division.

Manganese investigations :metallurgical division.

Manganese investigations -metallurgical division.

Manganese investigations -metallurgical division.

Manganese investigations -metallurgical division.

Manganese investigations.

Manganese investigations.

Ore dressing investigation of oxidized lead ores from Missouri and Illinois

Investigation of ore-dressing methods for barite ores from New Mexico, Missouri, and Arkansas


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